﻿using System;
using System.Data;
using System.Text;
using MySql.Data.MySqlClient;
using CollegeShop.Api.DBUtility;//Please add references
namespace CollegeShop.Api.Infrastructure
{
	/// <summary>
	/// 数据访问类:t_orderdetail
	/// </summary>
	public partial class t_orderdetail
	{
		public t_orderdetail()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId(int college)
		{
            return DbHelperMySQL.GetMaxID(college, "ID", "t_orderdetail"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
        public bool Exists(int college, int ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from t_orderdetail");
			strSql.Append(" where ID=@ID");
			MySqlParameter[] parameters = {
					new MySqlParameter("@ID", MySqlDbType.Int32)
			};
			parameters[0].Value = ID;

            return DbHelperMySQL.Exists(college, strSql.ToString(), parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
        public bool Add(int college, CollegeShop.Api.Entity.t_orderdetail model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into t_orderdetail(");
			strSql.Append("OrderID,GoodsID,GoodsName,GoodsPrice,GoodsAmount)");
			strSql.Append(" values (");
			strSql.Append("@OrderID,@GoodsID,@GoodsName,@GoodsPrice,@GoodsAmount)");
			MySqlParameter[] parameters = {
					new MySqlParameter("@OrderID", MySqlDbType.Int32,11),
					new MySqlParameter("@GoodsID", MySqlDbType.Int32,11),
					new MySqlParameter("@GoodsName", MySqlDbType.VarChar,100),
					new MySqlParameter("@GoodsPrice", MySqlDbType.Decimal,18),
					new MySqlParameter("@GoodsAmount", MySqlDbType.Int32,11)};
			parameters[0].Value = model.OrderID;
			parameters[1].Value = model.GoodsID;
			parameters[2].Value = model.GoodsName;
			parameters[3].Value = model.GoodsPrice;
			parameters[4].Value = model.GoodsAmount;

            int rows = DbHelperMySQL.ExecuteSql(college, strSql.ToString(), parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
        public bool Update(int college, CollegeShop.Api.Entity.t_orderdetail model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update t_orderdetail set ");
			strSql.Append("OrderID=@OrderID,");
			strSql.Append("GoodsID=@GoodsID,");
			strSql.Append("GoodsName=@GoodsName,");
			strSql.Append("GoodsPrice=@GoodsPrice,");
			strSql.Append("GoodsAmount=@GoodsAmount");
			strSql.Append(" where ID=@ID");
			MySqlParameter[] parameters = {
					new MySqlParameter("@OrderID", MySqlDbType.Int32,11),
					new MySqlParameter("@GoodsID", MySqlDbType.Int32,11),
					new MySqlParameter("@GoodsName", MySqlDbType.VarChar,100),
					new MySqlParameter("@GoodsPrice", MySqlDbType.Decimal,18),
					new MySqlParameter("@GoodsAmount", MySqlDbType.Int32,11),
					new MySqlParameter("@ID", MySqlDbType.Int32,11)};
			parameters[0].Value = model.OrderID;
			parameters[1].Value = model.GoodsID;
			parameters[2].Value = model.GoodsName;
			parameters[3].Value = model.GoodsPrice;
			parameters[4].Value = model.GoodsAmount;
			parameters[5].Value = model.ID;

            int rows = DbHelperMySQL.ExecuteSql(college, strSql.ToString(), parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
        public bool Delete(int college, int ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from t_orderdetail ");
			strSql.Append(" where ID=@ID");
			MySqlParameter[] parameters = {
					new MySqlParameter("@ID", MySqlDbType.Int32)
			};
			parameters[0].Value = ID;

            int rows = DbHelperMySQL.ExecuteSql(college, strSql.ToString(), parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
        public bool DeleteList(int college, string IDlist)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from t_orderdetail ");
			strSql.Append(" where ID in ("+IDlist + ")  ");
            int rows = DbHelperMySQL.ExecuteSql(college, strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
        public CollegeShop.Api.Entity.t_orderdetail GetModel(int college, int ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ID,OrderID,GoodsID,GoodsName,GoodsPrice,GoodsAmount from t_orderdetail ");
			strSql.Append(" where ID=@ID");
			MySqlParameter[] parameters = {
					new MySqlParameter("@ID", MySqlDbType.Int32)
			};
			parameters[0].Value = ID;

			CollegeShop.Api.Entity.t_orderdetail model=new CollegeShop.Api.Entity.t_orderdetail();
            DataSet ds = DbHelperMySQL.Query(college, strSql.ToString(), parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public CollegeShop.Api.Entity.t_orderdetail DataRowToModel(DataRow row)
		{
			CollegeShop.Api.Entity.t_orderdetail model=new CollegeShop.Api.Entity.t_orderdetail();
			if (row != null)
			{
				if(row["ID"]!=null && row["ID"].ToString()!="")
				{
					model.ID=int.Parse(row["ID"].ToString());
				}
				if(row["OrderID"]!=null && row["OrderID"].ToString()!="")
				{
					model.OrderID=int.Parse(row["OrderID"].ToString());
				}
				if(row["GoodsID"]!=null && row["GoodsID"].ToString()!="")
				{
					model.GoodsID=int.Parse(row["GoodsID"].ToString());
				}
				if(row["GoodsName"]!=null)
				{
					model.GoodsName=row["GoodsName"].ToString();
				}
				if(row["GoodsPrice"]!=null && row["GoodsPrice"].ToString()!="")
				{
					model.GoodsPrice=decimal.Parse(row["GoodsPrice"].ToString());
				}
				if(row["GoodsAmount"]!=null && row["GoodsAmount"].ToString()!="")
				{
					model.GoodsAmount=int.Parse(row["GoodsAmount"].ToString());
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
        public DataSet GetList(int college, string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ID,OrderID,GoodsID,GoodsName,GoodsPrice,GoodsAmount ");
			strSql.Append(" FROM t_orderdetail ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
            return DbHelperMySQL.Query(college, strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
        public int GetRecordCount(int college, string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM t_orderdetail ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
            object obj = DbHelperMySQL.GetSingle(college, strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
        public DataSet GetListByPage(int college, string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.ID desc");
			}
			strSql.Append(")AS Row, T.*  from t_orderdetail T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperMySQL.Query(college, strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			MySqlParameter[] parameters = {
					new MySqlParameter("@tblName", MySqlDbType.VarChar, 255),
					new MySqlParameter("@fldName", MySqlDbType.VarChar, 255),
					new MySqlParameter("@PageSize", MySqlDbType.Int32),
					new MySqlParameter("@PageIndex", MySqlDbType.Int32),
					new MySqlParameter("@IsReCount", MySqlDbType.Bit),
					new MySqlParameter("@OrderType", MySqlDbType.Bit),
					new MySqlParameter("@strWhere", MySqlDbType.VarChar,1000),
					};
			parameters[0].Value = "t_orderdetail";
			parameters[1].Value = "ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperMySQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

